Top answers

what on earth is a mole, and why is it used in balancing equations

Well... chemistry is the study of very tiny particles (electrons, atoms, molecules). It would be very hard for us to work with, and make calculations with, a single particle. A 'mole' is just 6.022x10^23 of ...
JC
Answered by Jonjo C. • Chemistry tutor
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Why do group 1 metals become more reactive as you descend the group?

The outer electron is further from the nucleus of the atom, therefore feeling less effective nuclear attraction . As you descend the group 1 metals, more shells of electrons are present in the metal atom, th...
JS
Answered by Jacob S. • Chemistry tutor
3170 Views

What is the general formula of alkanes

CnH2n+2
BS
Answered by Becky S. • Chemistry tutor
3553 Views

Give the electron configuration of fluorine

1s 2 2s 2 2p 5
BS
Answered by Becky S. • Chemistry tutor
3477 Views

Why do ionically bonded compounds only conduct electricity when molten?

When molten, the ions of an ionically bonded compound can move freely carrying charge. When solid, the oppositely charged ions are held in place by strong forces and therefore cannot conduct electricity.
JL
Answered by Jenny L. • Chemistry tutor
2949 Views